[Bug 47380] New: GT Legends: Slow graphics and 100% CPU usage

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=47380

            Bug ID: 47380
           Summary: GT Legends: Slow graphics and 100% CPU usage
           Product: Wine
           Version: 4.10
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: wine-bugs at winehq.org
          Reporter: timschumi at gmx.de
      Distribution: ---

GT Legends does have a significant graphics slowdown when running in wine,
while a single CPU thread is locked at 100%.

When looking at the process in a profiler, most of the time is spent in the
function wined3d_cs_mt_finish() (and I guess the wined3d_pause() function
within, which doesn't show up in a profiler due to being inline).

This seems to be a regression as well, since there are videos (for Wine 1.9.10,
[1]) and AppDB entries (latest entry for Wine 1.7.0, [2]) that claim that the
game was running fine on earlier releases of Wine, but I wasn't able to find
the exact commit that introduced the regression so far.

Patches from wine-staging don't help either. Please let me know what type of
logs would be the most suitable ones to debug this, since a normal +d3d log
seems impractical with over 13MB in size.

[1] https://www.youtube.com/watch?v=L80NsdNcVgI
[2] https://appdb.winehq.org/objectManager.php?sClass=version&iId=28706

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